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Record Details

American-Type Radio Tube, USA, 20th Century

preview image for American-Type Radio Tube, USA, 20th Century
Inventory Number: 92559
Object Type:
Place Created: USA North America
Accession Number: 2004-9/374
Brief Description: American Radio Tube (or Valve) with glass balloon, brass-plated Bakelite? base and three brass base pins. With anode mounted vertically in interior of bulb. Possibly c. 1930s. Previously catalogued with assorted other valves.
Primary Inscriptions: None
Provenance: Presented by the Marconi Corporation.
Collection Group: Marconi Collection
Material(s): Glass
assorted metals.
Height Width Depth Diameter Unit
105 45 mm

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Image with multimedia irn 40095Image with multimedia irn 40096

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